Pattern glare: the effects of contrast and color [PDF]
Aim: To test a theory of visual stress by investigating the inter-relationships between (1) the threshold contrast/saturation at which individuals first report discomfort when viewing colored gratings of progressively increasing contrast and decreasing ...
Laura eMonger +2 more
doaj +10 more sources
Sensitization and Habituation of Hyper-Excitation to Constant Presentation of Pattern-Glare Stimuli [PDF]
Background/Objectives: Pattern glare, associated with cortical hyperexcitability, induces visual distortions and discomfort, particularly in individuals susceptible to migraines or epilepsy.
Thomas Jefferis +6 more
doaj +8 more sources
The pattern glare and visual memory are disrupted in patients with major depressive disorder [PDF]
Background Visual memory impairment is one of the most commonly complained symptoms in patients with major depressive disorder (MDD). Pattern glare is also a distorted visual phenomenon that puzzles patients with MDD.
Min Wang +9 more
doaj +5 more sources
High level of pattern glare in major depressive disorder [PDF]
Background Visual deficits have been reported in abundance by recent studies on major depressive disorder. Pattern glare manifests as visual distortions, such as the symptoms of headache, glare, eyestrain, illusions of shapes, colors, and motion when ...
Xiongwei Qi +9 more
doaj +6 more sources
Susceptibility to pattern glare following stroke [PDF]
The aim of this work was to measure susceptibility to pattern glare within a stroke group, employing a direct method of assessment. Twenty stroke subjects, aged 38-85 years, were recruited, along with an age-matched control group (n = 20).
Leon N Davies
exaly +7 more sources
Headache-specific hyperexcitation sensitises and habituates on different time scales: An event related potential study of pattern-glare [PDF]
Cortical hyperexcitability is a key pathophysiological feature in several neurological disorders, including migraine, epilepsy, tinnitus, and Alzheimer's disease.
Cihan Dogan +7 more
doaj +7 more sources
Pattern glare sensitivity distinguishes subclinical autism and schizotypy [PDF]
Schizophrenia and autism spectrum disorder are distinct neurodevelopmental disorders sharing clinically relevant behaviours. However, early sensory responses show divergent responses.
Wendy A Torrens +2 more
exaly +5 more sources
People with high schizotypy experience more illusions in the Pattern Glare Test: Consistent with the hyperexcitability hypothesis [PDF]
Abstract Individuals diagnosed with schizophrenia spectrum disorders (SSD) exhibit a constellation of sensory and perceptual impairments, including hyporeactivity to external input.
Jenna N Pablo +2 more
exaly +4 more sources
Edges and gradients in lightness illusions: Role of optical veiling glare [PDF]
Lightness Illusions (Contrast, Assimilation, and Natural Scenes with Edges and Gradients) show that appearances do not correlate with the light sent from the scene to the eye.
John J. McCann +2 more
doaj +2 more sources
The glare illusion is an illusory perception of brightness enhancement and self-luminosity from a glare pattern, which consists of a central white area and surrounding areas with radial darkening luminance gradients. Here, we report a phenomenon we call “
Risa Yamagata, Kazuho Fukuda
doaj +2 more sources

